1、Application: Marine anode kit is suitable for Mercruiser Alpha One Generation 2 Sterndrives 1991 to present, excellent aftermarket replacement anode kit. 2、Replacement OE Numbers: Fit for Quicksilver 888756Q03; Fit for Seachoice 95021; Fit for Tecnoseal 20801; Fit for ierra 18‑6158Z; Fit for Martyr CMALPHAKITZ. 3、Complete Anode Replacement kit: Including flat trim tab anode, gimbal anode, plate anode, bearing carrier anode and lift ram anodes. Direct replacement for damaged anodes. 4、Protective Maintenance: Check anodes regularly for optimal protection, and replace when pitting is detected, to protect your sterndrives from costly damage. 5、Rugged Construction: The trim tab anode is made from metal, providing excellent resistance to oxidation, and saltwater environments. It is highly reliable in both saltwater conditions.